UK Water Quality Report • 2026 Data

Water Hardness in IP22

Water supply analysis across 5 postcode sectors in IP22 (Essex and Suffolk Water).

Outcode Avg Hardness312 PPMVery Hard Water
Regional Quality Overview

Water Supply Analysis: Outcode IP22

For residents and businesses in outcode IP22, understanding local water chemistry is essential for appliance longevity and limescale prevention. Our environmental data shows that IP22 averages 312 PPM in mineral content, falling into the Very Hard Water classification.

Water chemistry can fluctuate across supply zones in IP22. The lowest mineral concentration is recorded in sector IP22 2 at 310 PPM, whereas sector IP22 1 experiences higher mineral levels reaching 320 PPM.

Due to the very hard water (312 PPM) in IP22, limescale build-up can occur on heating elements, shower heads, and boilers. Setting your dishwasher water softener to the correct level (e.g. Bosch setting H07 (Max Salt)) is strongly recommended to prevent cloudy glassware and internal scale accumulation. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in IP22

Lowest mineral concentration

Softest
Sector IP22 2245 Postcodes • Very Hard
310 PPM21.7 °Clark

Hardest Sector in IP22

Highest mineral concentration

Highest Hardness
Sector IP22 1250 Postcodes • Very Hard
320 PPM22.4 °Clark

All Postcode Sectors in IP22

Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.